Rename quantized data types to remove ambiguity for signed/unsigned payloads

!android-nn-driver:2572

Change-Id: I8fe52ceb09987b3d05c539409510f535165455cc
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
diff --git a/src/backends/cl/workloads/ClGreaterWorkload.hpp b/src/backends/cl/workloads/ClGreaterWorkload.hpp
index 69d017e..84a24ff 100644
--- a/src/backends/cl/workloads/ClGreaterWorkload.hpp
+++ b/src/backends/cl/workloads/ClGreaterWorkload.hpp
@@ -29,6 +29,6 @@
 };
 
 using ClGreaterFloat32Workload = ClGreaterWorkload<DataType::Float32>;
-using ClGreaterUint8Workload = ClGreaterWorkload<DataType::QuantisedAsymm8>;
+using ClGreaterUint8Workload = ClGreaterWorkload<DataType::QAsymmU8>;
 
 } //namespace armnn